Multiplicity in General Financial Equilibrium with Portfolio Constraints
35 Pages Posted: 27 Mar 2006
There are 3 versions of this paper
Multiplicity in General Financial Equilibrium with Portfolio Constraints
Multiplicity in General Financial Equilibrium with Portfolio Constraints
Multiplicity in General Financial Equilibrium with Portfolio Constraints
Date Written: July 2006
Abstract
This paper explores the role of portfolio constraints in generating multiplicity of equilibrium. We present a simple financial market economy with two goods and two households, households who face constraints on their ability to take unbounded positions in risky stocks. Absent such constraints, equilibrium allocation is unique and is Pareto efficient. With one portfolio constraint in place, the efficient equilibrium is still possible; however, additional inefficient equilibria in which the constraint is binding may emerge. We show further that with portfolio constraints cum incomplete markets, there may be a continuum of equilibria; adding incomplete markets may lead to real indeterminacy.
Keywords: Multiple equilibria, asset pricing, portfolio constraints, indeterminacy, financial equilibrium
JEL Classification: D51, D52, D84, G12
Suggested Citation: Suggested Citation
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